Wireless earphone



FIG. 1 is perspective view of a wireless earphone showing my design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines illustrate portions of the wireless earphone that form no part of the claimed design. 

CLAIM The ornamental design for a wireless earphone, as shown and described. 